4(3z-3)=9z-7

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Solution for 4(3z-3)=9z-7 equation:


Simplifying
4(3z + -3) = 9z + -7

Reorder the terms:
4(-3 + 3z) = 9z + -7
(-3 * 4 + 3z * 4) = 9z + -7
(-12 + 12z) = 9z + -7

Reorder the terms:
-12 + 12z = -7 + 9z

Solving
-12 + 12z = -7 + 9z

Solving for variable 'z'.

Move all terms containing z to the left, all other terms to the right.

Add '-9z' to each side of the equation.
-12 + 12z + -9z = -7 + 9z + -9z

Combine like terms: 12z + -9z = 3z
-12 + 3z = -7 + 9z + -9z

Combine like terms: 9z + -9z = 0
-12 + 3z = -7 + 0
-12 + 3z = -7

Add '12' to each side of the equation.
-12 + 12 + 3z = -7 + 12

Combine like terms: -12 + 12 = 0
0 + 3z = -7 + 12
3z = -7 + 12

Combine like terms: -7 + 12 = 5
3z = 5

Divide each side by '3'.
z = 1.666666667

Simplifying
z = 1.666666667

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